public class integerdemo {
    public static void main(String[] args) {
        int date1=10;
        int date2= 20;
        Integer wrapper1= new Integer(date1);
        Integer wrapper2 = new Integer(date2);
        System.out.println(date1 / 3);
        System.out.println(wrapper1.doubleValue()/3);
        System.out.println(wrapper1.compareTo(wrapper2));
    }
}
